this candidate. a week ago paul ryan was asked to explain the math of a $4.8 trillion tax cut. and he said i don't have time. mitt romney said we just don't do math. like math doesn't exist. let me finish. you simply cannot wish away the existence of your entire campaign platform. as inconvenient as it may be when somebody says to you, ok, if you're going to reduce revenue by $4. trillion, you're not going to tell us one loophole you'd close, you're not going to run up the deficit or taxes on the middle class. >> very quickly -- >> no, no. it goes back to bill clinton. >> there was a story out yesterday that that claim is fiction because you don't count the loophole closing. >> what loophole? >> he talked about mortgage interest. really quickly -- >> mortgage interest? >> he has never talked about mortgage interest. >> the hilarity that there is one -- >> we have one loophole. >> mike, finish, but then i want to get on to something else. >> the president says he wants to lower tax cuts to big corporations. how to pay for it? loopholes. what loopholes? nothing. we'll tell you after the election.